On 29/06/2017 12:06, Visa Hankala wrote:
> On Tue, Jun 27, 2017 at 07:57:42PM +0100, Joe Holden wrote:
>> It looks like setting the mtu on cnmac interfaces doesn't quite work as
>> expected, whatever the mtu is set to the upper limit appears to be 1510
>> as although it will transmit frames of any arbitary size (e.g 2000
>> bytes), the reply never makes it back (confirmed from an attached box)
>> unless the frame is =< 1510.
> I just committed a patch that lets MTU change happen on the fly
> with cnmac(4).
>
> If you are using release 6.1, you have to temporarily bring down
> the interface, or reboot, when changing MTU on a cnmac(4) interface.
>
Ah excellent, cheers!
